Diamond 12.3 Floorstanding Speakers
Wharfedale Diamond 12.3 Floorstanding Speakers
Wharfedale Diamond 12.3 Floorstanding Speakers — view 2
Wharfedale Diamond 12.3 Floorstanding Speakers — view 3
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Wharfedale Diamond 12.3 Floorstanding Speakers — view 7
Wharfedale Diamond 12.3 Floorstanding Speakers — view 8
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Wharfedale Diamond 12.3 Floorstanding Speakers — view 10
Wharfedale Diamond 12.3 Floorstanding Speakers — view 11
Wharfedale Diamond 12.3 Floorstanding Speakers — view 12
Wharfedale Diamond 12.3 Floorstanding Speakers — view 13
Wharfedale Diamond 12.3 Floorstanding Speakers — view 14
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Wharfedale Diamond 12.3 Floorstanding Speakers — view 17
Wharfedale Diamond 12.3 Floorstanding Speakers — view 18
Diamond 12.3 Black
Diamond 12.3 Black
Diamond 12.3 Black
Diamond 12.3 Light Oak
Diamond 12.3 Light Oak
Diamond 12.3 Light Oak
Diamond 12.3 Walnut
Diamond 12.3 Walnut
Diamond 12.3 Walnut
Diamond 12.3 White
Diamond 12.3 White
Diamond 12.3 White
Discontinued

Discontinued — Floorstanding Speakers

Diamond 12.3 Floorstanding Speakers

The more compact of the Wharfedale DIAMOND 12 series floorstanding options, the DIAMOND 12.3 loses none of the accuracy and musicality of the standmount (bookshelf) options. With enhanced presence and power, the DIAMOND 12.3 is refined and the perfect, affordable floorstanding speaker for 2-channel hi-fi systems, or as the front pair of a seriously impressive home theatre system.

Configured in a 2.5 way system with exception crossover technology, the DIAMOND 12.3 utilises dual 130mm (5”) KlarityTM drivers for impactful yet refined mid-range and bass frequencies, while the 25mm (1”) dome tweeter delivers open and smoothly extended high frequencies.

$1,699.99
Colour: Walnut
  • Expert technical support
  • 3 years manufacturer warranty
  • Free shipping on orders over $300
Diamond 12.3 Floorstanding Speakers

Klarity affords focus

NEW Klarity™ cone material, formulated from a blend of Polypropylene and mica adds stiffness to reduce flexing, enabling a lightweight cone with high rigidity, low colouration and lightning-fast response.

The Klarity™ cone is fitted with a low-damping surround, thereby achieving both low colouration and expressive dynamics. By simulating many different cone shapes and adding ribs to provide further stiffening, a flat response curve was achieved without resorting to a high-damping surround, thereby striking the ideal balance.

A precision-made magnet system with an aluminium compensation ring to minimise the effect of variations in inductance as the voice coil travels. This contributes to an absence of distortion and intermodulation generated by the 'motor system'.

Klarity affords focus
A voice coil beyond this class

A voice coil beyond this class

The voice coil is wound on a high-power epoxy/glass fibre bobbin highly unusual in speakers at this price level. This has the advantage of not adding eddy currents and delivering greater power handling than an aluminium bobbin, whilst also being much stiffer than the Kapton type associated with this price-class.

DIAMOND highs

The 25mm dome is made from a woven polyester film with a high-loss coating to deliver open and smoothly extended high frequencies. The magnet system and the front plate have been optimised for wide dispersion and uncompressed behaviour. The front plate is flat and exposes the dome as much as possible; only a very short duct on the front plate balances the acoustic load and improves the SPL (sound pressure level) measurement.

DIAMOND highs
A crossover of style

A crossover of style

The crossover network uses an acoustic LKR 24dB topology. This includes air-core inductors of the type more commonly found in high-end speakers, selected because they produce the lowest distortion of all inductor types. As the resistance of the coil is higher than a standard laminated steel or ferrite core inductor, the magnetic structure of the mid/bass driver has been modified to compensate, resulting in fast, clean bass with no distortion from the inductor.

The DIAMOND 12.3's rear-ported enclosure is precisely sized so that the internal volume works in harmony with the drive unit system to deliver the desired sonic result. A multi-layered sandwich design subdues the identifiable characteristics of the cabinet's 'sound'. Even the resonant properties of the glue between the layers was measured to determine the optimum combination.

Brace yourself

Inside the cabinet, Intelligent Spot Bracing connects opposite walls with a specific form of the wood brace to achieve an optimal reduction of cabinet resonance. These braces are precisely modelled by computer simulation to improve upon the commonplace 'figure of eight' brace, which may simply transfer resonance from one wall to another.

Brace yourself
Diamond 12.3 Floorstanding Speakers

Frequently Asked Questions

What size room suits the Diamond 12.3?

The Diamond 12.3 is a 2.5-way floorstanding speaker suited to medium and larger rooms — roughly 18–35 m². Give it about 20–50 cm of breathing room from the rear wall and toe it in slightly toward the listening seat for a focused stereo image.

What amplifier should I pair with the Diamond 12.3?

The Diamond 12.3 presents a nominal 8Ω load and 89dB sensitivity, and Wharfedale recommends roughly 30-150W per channel. A quality integrated amplifier or AV receiver in that range drives it cleanly without strain — aim for clean, stable power rather than maximum wattage.

Does the Diamond 12.3 need a subwoofer?

The Diamond 12.3 reaches down to about 45 Hz, so it delivers full, satisfying bass for everyday music listening on its own. In most rooms it won't need one for music; add a Wharfedale subwoofer if you're building a dedicated home-cinema system.

Diamond 12.3 vs Diamond 12.4 — which should I choose?

Both share the same series voicing. The Diamond 12.4 uses larger or additional drivers for more output and deeper bass, so it suits bigger rooms or higher volumes. The Diamond 12.3 is the better fit for smaller spaces and nearer listening — choose it if your room is modest or your budget is tighter.

What finishes does the Diamond 12.3 come in?

The Diamond 12.3 is available in Walnut, Black, Light Oak and White. All finishes are the same speaker acoustically — choose whichever best suits your room. Every option is in stock with free Australian shipping.